Display rack



FIG. 1 is a perspective view of a display rack showing my new design;

FIG. 2 is a left side elevational view of FIG. 1, wherein the right side view is a mirror opposite thereof;

FIG. 3 is a plan view of the top of FIG. 1, wherein the bottom forms no part of the claimed design; and,

FIG. 4 is an elevational view of the front side of FIG. 1, wherein the rear side forms no part of the claimed design.

The broken lines showing is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a display rack, as shown and described. 